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M42

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Date
Event
Notes
Unknown Date.M42 Chaos Ascendant The Forces of Chaos, partially victorious during Abaddon the Despoiler's 13th Black Crusade in 999.M41, seize control of most of the surface of the world of Cadia in the Segmentum Obscurus, the gateway to a breakout into the rest of Imperial space. Only the Imperial forces' local naval and air superiority protects the Imperium from the greatest Chaos invasion seen since the Horus Heresy ten millenia before.
The Beast Hunters Hive Fleet Leviathan and the remaining splinter fleets from the earlier invasions of the Milky Way Galaxy by Hive Fleet Behemoth and Hive Fleet Kraken, continue to assault myriad worlds of the Imperium, slowly making their inexorable way towards Terra and the gleaming psychic beacon calling them like moths to a flame that is the Astronomicon.
The Fourth Sphere Expansion The Tau Empire prepares for its Fourth Sphere Expansion in the Imperium's Eastern Fringes.
Golden Throne Failing The Adeptus Mechanicus makes secret note that the technology of the Golden Throne of Earth continues to fail with no known way to repair the apparatus and keep the Emperor of Mankind alive.
Rise of the Undying Legions The Necrons continue to awaken at a rapidly increasing pace on their Tomb Worlds across the galaxy, ready to rebuild their ancient interstellar empire, and wipe away all the "lesser races" that stand in their way.

And so, in the far future of the 42nd Millennium, there is only war...

005.M42 Ciaphas Cain Publishes Personal Memoirs The famous Imperial hero, Commissar Ciaphas Cain publishes his personal memoris, To Serve the Emperor: A Commissar's Life. In his later years, Cain wished to gather and write a full accounting of his long and distinguished career. However, his more personal and candid memoir never sees the light of day and is put under Inquisitorial seal by the order of Inquisitor Amberley Vail. His personal archives contain far too many sensitive and restricted information. Undertaking the monumental task of organising Cain's files into a vast archive, she names it the Cain Archive, and publishes it "For Inquisitors" only. Many Inquisitors read Cain's candid accounts. Inquisitor Amberley is later persuaded to expand it considerably, making it somewhat of a bestseller amongst the agents of the Inquisition.
006.M42 The Fall of Medusa V The Fall of Medusa V was a multi-sided military conflict fought on the Imperial Mining World of Medusa V in the Ultima Segmentum that was devoured by a Warp Storm in 999.M41. By 006.M42, military forces of the Imperium of Man were able to evacuate the entire surviving civilian population of the planet before it was consumed. Before completing this evacuation, the world became the center of a large military conflict between eight of the Milky Way Galaxy's major powers for control of the world, each for its own reasons.
012.M42 Battle of Herodian IV The Mantis Warriors, augmented by an Imperial Navy taskforce, comes to the aid of the beleaguered world of Herodian IV that is under attack by a large Tyranid Splinter Fleet. Despite taking a high number of casualties, the Imperial forces begin to turn the tide of the battle against the horde of bioform horrors, when Inquisitor Lord Brutius Parthon orders the Mantis Warriors to undertake an Exterminatus of fallen world. This was carried out only after a Deathwatch Kill-team was extracted from a hidden Ordo Xenos weapons laboratory on the surface of the doomed planet.
037.M42 Cain Archive First Expanded Orten Bassit publishes The Return of the Liberator: Ciaphas Cain and the Second Siege of Perlia. This book is later incorporated by Inquisitor Amberly Vail and used as an extract within the Cain Archive.
085.M42 Cain Archive Second Expansion Stententious Logar publishes Purge the Guilty! An Imperial Account of the Liberation of Gravalax. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.
087.M42 Cain Archive Third Expansion Nelson Lawford publishes Just Visitin': The Life of a Naval Hero, a biography of retired Imperial Navy Commodore Hubert Visiter. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.
095.M42 Cain Archive Fourth Expansion Arten Burrar publishes The Abominable Chitin: A Concise History of the Tyrannic Wars. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.
097.M42 Cain Archive Fifth Expansion Retired Lady General Jenit Sulla publishes Like a Phoenix From the Flames: The Founding of the Valhallan 597th. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.
101.M42 Cain Archive Sixth Expansion Retired Lady General Jenit Sulla publishes Like a Phoenix On The Wing: The Early Campaigns and Victories of the Valhallan 597th. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.
127.M42 Cain Archive Seventh Expansion Ayjaepi Clothier publishes In Blackest Night: The Millennial Wars Appraised. It is later utilised by Inquisitor Amberly Vail and incorporated as an extract within the Cain Archive.

Sources

  • Warhammer 40,000: Ruelbook (7th Edition)
  • The Fall of Medusa V (2006 booklet)
  • Medusa V Archive
  • Warrior Brood (Novel) by C.S. Goto
  • Kill Squad - A Deathwatch Omnibus (Omnibus) by Various Authors
  • Ciaphas Cain (Novel Series):
    • For The Emperor (Novel) by Sandy Mitchell
    • Cain's Last Stand (Novel) by Sandy Mitchell
    • Duty Calls (Novel) by Sandy Mitchell
    • The Traitor's Hand (Novel) by Sandy Mitchell


M41 Timeline Finis

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